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Increasing Physical Activity And Limiting Television May Lead To Reduction In Type 2 Diabetes

Date:
December 22, 2008
Source:
Boston University
Summary:
Researchers have found that reducing time spent watching television and increasing time spent walking briskly or engaged in vigorous physical activity may reduce the incidence of type 2 diabetes in African-American women.

Researchers from Boston University's Slone Epidemiology Center have found that reducing time spent watching television and increasing time spent walking briskly or engaged in vigorous physical activity may reduce the incidence of type 2 diabetes in African-American women.

These findings appear on-line in the American Journal of Epidemiology.

Type 2 diabetes has reached epidemic proportions in the U.S. and affects an estimated 20.6 million people. African-American women make up a significant percentage of that population. Although previous studies support a role for physical activity in preventing type 2 diabetes, there has been little attention focused on the impact of this factor in the high-risk population of African-American women.

Using data collected through questionnaires in the Black Women's Health Study, (an ongoing prospective follow-up study of African–American women from across the U.S.), the researchers found that vigorous activity was inversely associated with a reduced risk of diabetes. Brisk walking (for five plus hours/week) was also associated with a reduced risk of diabetes, as compared to no walking.

Television watching was positively associated with an increased risk of diabetes. The researchers found the risk of type 2 diabetes was increased among women who spent an appreciable amount of time watching television. This increase was apparent whether or not a woman was physical active.

"Our results confirm that vigorous activity is protective against type 2 diabetes in African-American women," said study author Julie Palmer, a professor of epidemiology at the Slone Epidemiology Center at Boston University. "A key public health finding is that brisk walking reduced risk. That is important because many women don't have the time or place to engage in "vigorous" physical activity, but most women can find time to walk," added Palmer.

This work was supported by grants from the National Cancer Institute and the National Institute of Diabetes, Digestive, and Kidney Diseases.


Story Source:

The above story is based on materials provided by Boston University. Note: Materials may be edited for content and length.


Cite This Page:

Boston University. "Increasing Physical Activity And Limiting Television May Lead To Reduction In Type 2 Diabetes." ScienceDaily. ScienceDaily, 22 December 2008. <www.sciencedaily.com/releases/2008/12/081208114333.htm>.
Boston University. (2008, December 22). Increasing Physical Activity And Limiting Television May Lead To Reduction In Type 2 Diabetes. ScienceDaily. Retrieved July 30, 2014 from www.sciencedaily.com/releases/2008/12/081208114333.htm
Boston University. "Increasing Physical Activity And Limiting Television May Lead To Reduction In Type 2 Diabetes." ScienceDaily. www.sciencedaily.com/releases/2008/12/081208114333.htm (accessed July 30, 2014).

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